The star, who is to play the title role, compared the DC Comics adaptation to Iron Man, saying that some of the most memorable moments will happen when the character is not in costume.

"I think you walk away from this first film, and the moments that you remember and the moments that mean so much to you, not unlike Iron Man, are the moments where the guy's not in the suit," he told MTV.

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The 33-year-old also claimed that Green Lantern's origin story will not take up much of the film.

"It is [an origin story] to a certain degree, but it's not a laboured origin story, where the movie [truly] begins in the third act," he added.

"We find out Hal is the guy fairly early on, and the adventure begins."